[Gluster-devel] afr logic

Kevan Benson kbenson at a-1networks.com
Wed Oct 17 17:46:27 UTC 2007

Alexey Filin wrote:
> On 10/17/07, Kevan Benson <kbenson at a-1networks.com> wrote:
>> The rsync case can probably be handled through a separate find of the
>> appropriate attributes on the source and set on the target.  A simple
>> bash/perl script could handle this in a few lines.
>> The fsck case is more interesting, but if you could get fsck to report
>> file/directory names that have problems and not fix them, it's easy to
>> pipe that to a script to remove the trusted.afr.version attribute on the
>> files and then the AFR will heal itself.
> didn't check, may be you know, is the second healthy pair in cluster/stripe
> (if two bricks are used to stripe) in the case to be copied too? (of course
> afr'ed volumes use the same underlying cluster/stripe configuration)

It probably has to do with whether you stripe an afr or afr some 
stripes.  Think RAID 10 compared to RAID 0+1.


-Kevan Benson
-A-1 Networks

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